Analyzing GEM-foil properties with an optical scanning system

Kalliokoski, M. and Hilden, T. and Garcia, F. and Heino, J. and Lauhakangas, R. and Tuominen, E. and Turpeinen, R. (2012) Analyzing GEM-foil properties with an optical scanning system. Journal of Instrumentation, 7. -. ISSN 1748-0221

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An optical scanning system was commissioned and further developed in the Detector Laboratory of Helsinki Institute of Physics and University of Helsinki. It was designed to automatically scan, perform on-line analysis and to classify the overall quality of GEM-foils especially of the GEM-TPC detectors for Super-FRS at FAIR. The optical scanning system consists of precision positioning table, lighting, optics and operating system with analysis software. It has active scanning area of 95 cm x 95 cm and it can study this area with a resolution of 144 lp/mm. In this paper the performance of the system is studied on different measurement tasks.

Item Type: Journal Article
Journal or Publication Title: Journal of Instrumentation
Uncontrolled Keywords: /dk/atira/pure/researchoutput/libraryofcongress/qc
Departments: Faculty of Science and Technology > Physics
ID Code: 59083
Deposited By: ep_importer_pure
Deposited On: 10 Oct 2012 13:18
Refereed?: Yes
Published?: Published
Last Modified: 01 Jan 2020 08:10

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